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Limnoria/plugins/Bugzilla.py

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#!/usr/bin/env python
###
# Copyright (c) 2003, Daniel Berlin
# Based on code from kibot
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
"""
Bugzilla bug retriever
"""
import os
import re
import string
import urllib
import base64
import xml.dom.minidom as minidom
from htmlentitydefs import entitydefs as entities
import sqlite
import conf
import utils
import plugins
import privmsgs
import callbacks
dbfilename = os.path.join(conf.dataDir, 'Bugzilla.db')
def makeDb(filename):
if os.path.exists(filename):
return sqlite.connect(filename)
db = sqlite.connect(filename)
cursor = db.cursor()
cursor.execute("""CREATE TABLE bugzillas (
shorthand TEXT UNIQUE ON CONFLICT REPLACE,
url TEXT,
description TEXT
)""")
cursor = db.cursor();
cursor.execute("""INSERT INTO bugzillas VALUES (%s, %s, %s)""",
'rh', 'http://bugzilla.redhat.com/bugzilla', 'Red Hat')
cursor.execute("""INSERT INTO bugzillas VALUES (%s, %s, %s)""",
'gnome', 'http://bugzilla.gnome.org', 'Gnome')
cursor.execute("""INSERT INTO bugzillas VALUES (%s, %s, %s)""",
'xim', 'http://bugzilla.ximian.com', 'Ximian')
cursor.execute("""INSERT INTO bugzillas VALUES (%s, %s, %s)""",
'moz', 'http://bugzilla.mozilla.org', 'Mozilla')
cursor.execute("""INSERT INTO bugzillas VALUES (%s, %s, %s)""",
'gcc', 'http://gcc.gnu.org/bugzilla', 'GCC')
db.commit()
return db
class BugError(Exception):
"""A bugzilla error"""
def __init__(self, args = None):
Exception.__init__(self)
self.args = args
def configure(onStart, afterConnect, advanced):
from questions import expect, anything, yn
onStart.append('load Bugzilla')
if advanced:
print 'The Bugzilla plugin has the functionality to watch for URLs'
print 'that match a specific pattern (we call this a snarfer). When'
print 'supybot sees such a URL, he will parse the web page for'
print 'information and reply with the results.\n'
if yn('Do you want the Bugzilla snarfer enabled by default?') == 'n':
onStart.append('Bugzilla togglesnarfer bug off')
class Bugzilla(callbacks.PrivmsgCommandAndRegexp):
"""Show a link to a bug report with a brief description"""
threaded = True
regexps = ['bzSnarfer']
def __init__(self):
callbacks.PrivmsgCommandAndRegexp.__init__(self)
self.entre = re.compile('&(\S*?);')
self.db = makeDb(dbfilename)
self.snarfers = {'bug' : True}
def die(self):
self.db.close()
del self.db
def _toggleHelper(self, irc, msg, state, snarfer):
if not state:
self.snarfers[snarfer] = not self.snarfers[snarfer]
elif state in self._enable:
self.snarfers[snarfer] = True
elif state in self._disable:
self.snarfers[snarfer] = False
resp = []
for k in self.snarfers:
if self.snarfers[k]:
resp.append('%s%s: On' % (k[0].upper(), k[1:]))
else:
resp.append('%s%s: Off' % (k[0].upper(), k[1:]))
irc.reply(msg, '%s (%s)' % (conf.replySuccess, '; '.join(resp)))
_enable = ('on', 'enable')
_disable = ('off', 'disable')
def togglesnarfer(self, irc, msg, args):
"""<bug> [<on|off>]
Toggles the snarfer that responds to Bugzilla-style bug links. If
nothing is specified, all snarfers will have their states
toggled (on -> off, off -> on). If only a state is specified, all
snarfers will have their state set to the specified state. If a
specific snarfer is specified, the changes will apply only to that
snarfer.
"""
(snarfer, state) = privmsgs.getArgs(args, optional=1)
snarfer = snarfer.lower()
state = state.lower()
if snarfer not in self.snarfers:
raise callbacks.ArgumentError
if state and state not in self._enable and state not in self._disable:
raise callbacks.ArgumentError
self._toggleHelper(irc, msg, state, snarfer)
togglesnarfer=privmsgs.checkCapability(togglesnarfer, 'admin')
def addzilla(self, irc, msg, args):
"""shorthand url description
Add a bugzilla to the list of defined bugzillae.
E.g.: addzilla rh http://bugzilla.redhat.com/bugzilla Red Hat Zilla"""
try:
words = args
shorthand = words.pop(0)
url = words.pop(0)
description = ' '.join(words)
except:
irc.reply(msg, 'Invalid format, please see help addzilla')
return
cursor = self.db.cursor()
cursor.execute("""INSERT INTO bugzillas VALUES (%s, %s, %s)""",
shorthand, url, description)
self.db.commit()
irc.reply(msg, 'Added bugzilla entry for "%s" with shorthand "%s"' % (
description, shorthand))
return
def delzilla(self, irc, msg, args):
"""shorthand
Delete a bugzilla from the list of define bugzillae.
E.g.: delzilla rh"""
shorthand = ' '.join(args)
cursor = self.db.cursor()
cursor.execute("""SELECT * from bugzillas where shorthand = %s""", shorthand)
if cursor.rowcount == 0:
irc.reply(msg, 'Bugzilla "%s" not defined. Try zillalist.' % shorthand)
return
cursor.execute("""DELETE FROM bugzillas where shorthand = %s""", shorthand)
self.db.commit()
irc.reply(msg, 'Deleted bugzilla "%s"' % shorthand)
return
def listzilla(self, irc, msg, args):
"""[shorthand]
List defined bugzillae
E.g.: listzilla rh; or just listzilla"""
shorthand = ' '.join(args)
if shorthand:
cursor = self.db.cursor()
cursor.execute("""SELECT url,description from bugzillas where shorthand = %s""", shorthand)
if cursor.rowcount == 0:
irc.reply(msg, 'No such bugzilla defined: "%s".' % shorthand)
return
url, description = cursor.fetchone()
irc.reply(msg, '%s: %s, %s' % (shorthand, description, url))
return
else:
cursor = self.db.cursor()
cursor.execute("""SELECT shorthand from bugzillas""")
if cursor.rowcount == 0:
irc.reply(msg, 'No bugzillae defined. Add some with "addzilla"!')
return
results = ['%s' % (item[0]) for item in cursor.fetchall()]
irc.reply(msg, 'Defined bugzillae: %s' % ' '.join(results))
return
def bzSnarfer(self, irc, msg, match):
r"(.*)/show_bug.cgi\?id=([0-9]+)"
if not self.snarfers['bug']:
return
queryurl = '%s/xml.cgi?id=%s' % (match.group(1), match.group(2))
try:
summary = self._get_short_bug_summary(queryurl, "Snarfed Bugzilla URL", match.group(2))
except BugError, e:
irc.reply(msg, str(e))
return
except IOError, e:
msgtouser = '%s. Try yourself: %s' % (e, queryurl)
irc.reply(msg, msgtouser)
return
report = {}
report['zilla'] = "Snarfed Bugzilla URL"
report['id'] = match.group(2)
report['url'] = str('%s/show_bug.cgi?id=%s' % (match.group(1), match.group(2)))
report['title'] = str(summary['title'])
report['summary'] = str(self._mk_summary_string(summary))
irc.reply(msg, '%(zilla)s bug #%(id)s: %(title)s' % report)
irc.reply(msg, ' %(summary)s' % report)
irc.reply(msg, ' %(url)s' % report)
def bug(self, irc, msg, args):
"""bug shorthand number
Look up a bug number in a bugzilla.
E.g.: bug rh 10301"""
try: shorthand, num = args
except:
irc.reply(msg, 'Invalid format. Try help bug')
return
cursor = self.db.cursor()
cursor.execute("""SELECT url,description from bugzillas where shorthand = %s""", shorthand)
if cursor.rowcount == 0:
irc.reply(msg, 'Bugzilla "%s" is not defined.' % shorthand)
return
if not self._is_bug_number(num):
irc.reply(msg, '"%s" does not seem to be a number' % num)
return
url, desc = cursor.fetchone()
queryurl = '%s/xml.cgi?id=%s' % (url, num)
try:
summary = self._get_short_bug_summary(queryurl, desc, num)
except BugError, e:
irc.reply(msg, str(e))
return
except IOError, e:
msgtouser = '%s. Try yourself: %s' % (e, queryurl)
irc.reply(msg, msgtouser)
return
report = {}
report['zilla'] = str(desc)
report['id'] = str(num)
report['url'] = str('%s/show_bug.cgi?id=%s' % (url, num))
report['title'] = str(summary['title'])
report['summary'] = str(self._mk_summary_string(summary))
irc.reply(msg, '%(zilla)s bug #%(id)s: %(title)s' % report)
irc.reply(msg, ' %(summary)s' % report)
irc.reply(msg, ' %(url)s' % report)
return
def _mk_summary_string(self, summary):
ary = []
if summary.has_key('component'):
ary.append('Component: %s' % summary['component'])
if summary.has_key('severity'):
ary.append('Severity: %s' % summary['severity'])
if summary.has_key('assigned to'):
ary.append('Assigned to: %s' % summary['assigned to'])
if summary.has_key('status'):
if summary.has_key('resolution'):
ary.append('Status: %s/%s' %
(summary['status'], summary['resolution']))
else:
ary.append('Status: %s' % summary['status'])
out = string.join(ary, ', ')
return out
def _is_bug_number(self, bug):
try: int(bug)
except: return 0
else: return 1
def _get_short_bug_summary(self, url, desc, num):
bugxml = self._getbugxml(url, desc)
try: zilladom = minidom.parseString(bugxml)
except Exception, e:
msg = 'Could not parse XML returned by %s bugzilla: %s'
raise BugError(str(msg % (desc, e)))
bug_n = zilladom.getElementsByTagName('bug')[0]
if bug_n.hasAttribute('error'):
errtxt = bug_n.getAttribute('error')
zilladom.unlink()
msg = 'Error getting %s bug #%s: %s' % (desc, num, errtxt)
raise BugError(str(msg))
summary = {}
try:
node = bug_n.getElementsByTagName('short_desc')[0]
summary['title'] = self._getnodetxt(node)
node = bug_n.getElementsByTagName('bug_status')[0]
summary['status'] = self._getnodetxt(node)
try:
node = bug_n.getElementsByTagName('resolution')[0]
summary['resolution'] = self._getnodetxt(node)
except:
pass
node = bug_n.getElementsByTagName('assigned_to')[0]
summary['assigned to'] = self._getnodetxt(node)
node = bug_n.getElementsByTagName('component')[0]
summary['component'] = self._getnodetxt(node)
node = bug_n.getElementsByTagName('bug_severity')[0]
summary['severity'] = self._getnodetxt(node)
except Exception, e:
zilladom.unlink()
msg = 'Could not parse XML returned by %s bugzilla: %s'
raise BugError(str(msg % (desc, e)))
zilladom.unlink()
return summary
def _getbugxml(self, url, desc):
try: fh = urllib.urlopen(url)
except: raise IOError('Connection to %s bugzilla failed' % desc)
bugxml = ''
while 1:
chunk = fh.read(8192)
if chunk == '':
break
bugxml = bugxml + chunk
fh.close()
if not len(bugxml):
msg = 'Error getting bug content from %s' % desc
raise IOError(msg)
return bugxml
def _getnodetxt(self, node):
val = ''
for childnode in node.childNodes:
if childnode.nodeType == childnode.TEXT_NODE:
val = val + childnode.data
if node.hasAttribute('encoding'):
encoding = node.getAttribute('encoding')
if encoding == 'base64':
try:
val = base64.decodestring(val)
except:
val = 'Cannot convert bug data from base64!'
entre = self.entre
while entre.search(val):
entity = entre.search(val).group(1)
if entities.has_key(entity):
val = re.sub(entre, entities[entity], val)
else:
val = re.sub(entre, '_', val)
return val
Class = Bugzilla
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